Projects

CSEMP assessment of lead in sediment at Montrose Bank (E Scotland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean113.9715.17-3.987.97
linear213.8316.12-2.925.832.135 10.1440
smooth (df = 2)315.8219.66-2.915.820.012 10.9111
smooth (df = 3)417.2123.21-2.615.210.605 10.4367
smooth (df = 4)518.9427.85-2.474.940.276 10.5996

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.5473.306-0.24106 0.16263-1.4820.1577
last 20 years199920173.5473.306-0.24106 0.16263-1.4820.1577

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC27.2738.000.33170.11252.9480.0047
ERL27.2747.000.54430.11254.837<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Montrose Bank (E Scotland)


Raw data with assessment

Raw data with assessment of  lead in sediment at Montrose Bank (E Scotland)


Assessment plot

Assessment plot for  lead in sediment at Montrose Bank (E Scotland)


Metals data

Metals data for assessment of  lead in sediment at Montrose Bank (E Scotland)


Metals assessment

Metals assessment of  lead in sediment at Montrose Bank (E Scotland)


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in sediment
  • Accessment criteria for metals in sediment